{"version":"1.0","provider_name":"Onsoku Web Site English","provider_url":"https:\/\/www.onsoku.co.jp\/us","author_name":"onsokuwakayama","author_url":"https:\/\/www.onsoku.co.jp\/us\/author\/onsokuwakayama\/","title":"Speaker F0 &amp; Ze \/ Paper cone Fo meter - Onsoku Web Site English","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Kds1qJ8xya\"><a href=\"https:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/\">Speaker F0 &amp; Ze \/ Paper cone Fo meter<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.onsoku.co.jp\/us\/product\/f0meter\/embed\/#?secret=Kds1qJ8xya\" width=\"600\" height=\"338\" title=\"&#8220;Speaker F0 &amp; Ze \/ Paper cone Fo meter&#8221; &#8212; Onsoku Web Site English\" data-secret=\"Kds1qJ8xya\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.onsoku.co.jp\/us\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"OST-828 Fo&amp;Ze measuring instrument Model OST-828 can measurement lowest resonant frequency(Fo) and impedance(Ze) of the speaker by the constant voltage anodizing. This model collects the statistics with plural measurements and calculates and does the stanard judgment. All the measurement data can save it. Futhermore, this model calculates the value of Q(Electrical Q of driver, Mechanical [&hellip;]","thumbnail_url":"http:\/\/www.onsoku.co.jp\/us\/wp-content\/uploads\/sites\/2\/OST-828-300x167.jpg"}